/Engine/Source/Runtime/Engine/Public/Net/DataReplication.h
bool SendCustomDeltaProperty ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * InObject, uint16 CustomDeltaProperty, FNetBitWriter & OutBunch, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [INetDeltaBaseState](API\Runtime\CoreUObject\UObject\INetDeltaBaseState) > & NewFullState, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [INetDeltaBaseState](API\Runtime\CoreUObject\UObject\INetDeltaBaseState) > & OldState )